The surgical interruption of the vas deferens, the long thin tube that delivers sperm from the testicles to the urethra. The procedure prevents sperm from reaching the semen, which is still produced and ejaculated.
The surgical interruption of the vas deferens, the long thin tube that delivers sperm from the testicles to the urethra. The procedure prevents sperm from reaching the semen, which is still produced and ejaculated.